Auth bypass in Apache Shiro
CVE-2020-17510
Apache Shiro before 1.7.0, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.080 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.082 · newest: 0.080 · change: -0.002
Affected products
- Apache Shiro
- Debian Linux — versions 9.0
- Apache Shiro — versions Apache Shiro to 1.7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/rc2cff2538b683d480426393eecf1ce8dd80e052fbef49303b… (Mailing List, Vendor Advisory)
- lists.apache.org/thread.html/r95bdf3703858b5f958b5e190d747421771b430d97095880db… (mailing-list)
- lists.apache.org/thread.html/r70098e336d02047ce4d4e69293fe8d558cd68cde06f643039… (mailing-list)
- lists.apache.org/thread.html/rb47d88af224e396ee34ffb88ee99fb6d04510de5722cf14b7… (mailing-list)
- lists.apache.org/thread.html/r575301804bfac87a064359cf4b4ae9d514f2d10db7d441207… (mailing-list)
- lists.apache.org/thread.html/r70b907ccb306e9391145e2b10f56cc6914a245f91720a17a4… (mailing-list)
- lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f9… (mailing-list)
- lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef77… (mailing-list)
- lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a10768… (mailing-list)
- lists.debian.org/debian-lts-announce/2021/08/msg00002.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-17510?
- CVE-2020-17510 is a critical-severity vulnerability in Apache Shiro, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-11-05.
- How severe is CVE-2020-17510?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-17510 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.